LLVMValueRef codegen_addfun(compile_t* c, const char* name, LLVMTypeRef type)
{
// Add the function and set the calling convention.
LLVMValueRef fun = LLVMAddFunction(c->module, name, type);
LLVMSetFunctionCallConv(fun, c->callconv);
LLVMValueRef arg = LLVMGetFirstParam(fun);
uint32_t i = 1;
while(arg != NULL)
{
LLVMTypeRef type = LLVMTypeOf(arg);
if(LLVMGetTypeKind(type) == LLVMPointerTypeKind)
{
LLVMTypeRef elem = LLVMGetElementType(type);
if(LLVMGetTypeKind(elem) == LLVMStructTypeKind)
{
size_t size = (size_t)LLVMABISizeOfType(c->target_data, elem);
LLVMSetDereferenceable(fun, i, size);
}
}
arg = LLVMGetNextParam(arg);
i++;
}
return fun;
}
LLVMValueRef codegen_addfun(compile_t* c, const char* name, LLVMTypeRef type,
bool pony_abi)
{
// Add the function and set the calling convention and the linkage type.
LLVMValueRef fun = LLVMAddFunction(c->module, name, type);
LLVMSetFunctionCallConv(fun, c->callconv);
LLVMSetLinkage(fun, c->linkage);
LLVMSetUnnamedAddr(fun, true);
if(pony_abi)
{
LLVMValueRef md = LLVMMDNodeInContext(c->context, NULL, 0);
LLVMSetMetadataStr(fun, "pony.abi", md);
}
LLVMValueRef arg = LLVMGetFirstParam(fun);
uint32_t i = 1;
while(arg != NULL)
{
LLVMTypeRef type = LLVMTypeOf(arg);
if(LLVMGetTypeKind(type) == LLVMPointerTypeKind)
{
LLVMTypeRef elem = LLVMGetElementType(type);
if(LLVMGetTypeKind(elem) == LLVMStructTypeKind)
{
size_t size = (size_t)LLVMABISizeOfType(c->target_data, elem);
#if PONY_LLVM >= 309
LLVM_DECLARE_ATTRIBUTEREF(deref_attr, dereferenceable, size);
LLVMAddAttributeAtIndex(fun, i, deref_attr);
#else
LLVMSetDereferenceable(fun, i, size);
#endif
}
}
arg = LLVMGetNextParam(arg);
i++;
}
return fun;
}
LLVMValueRef codegen_addfun(compile_t* c, const char* name, LLVMTypeRef type)
{
// Add the function and set the calling convention.
LLVMValueRef fun = LLVMAddFunction(c->module, name, type);
if(!c->opt->library)
LLVMSetFunctionCallConv(fun, GEN_CALLCONV);
LLVMValueRef arg = LLVMGetFirstParam(fun);
uint32_t i = 1;
while(arg != NULL)
{
LLVMTypeRef type = LLVMTypeOf(arg);
if(LLVMGetTypeKind(type) == LLVMPointerTypeKind)
{
LLVMTypeRef elem = LLVMGetElementType(type);
if(LLVMGetTypeKind(elem) == LLVMStructTypeKind)
{
uint64_t size = LLVMABISizeOfType(c->target_data, elem);
LLVMSetDereferenceable(fun, i, size);
}
// Set the noalias attribute on all arguments. This is fortran-like
// semantics for parameter aliasing, similar to C restrict.
if(!c->opt->no_restrict)
LLVMAddAttribute(arg, LLVMNoAliasAttribute);
}
arg = LLVMGetNextParam(arg);
i++;
}
return fun;
}
